Home / 337,532.40-505,618.20-210,783.60

Finding the Fourth Proportional to 337,532.40, 505,618.20 and 210,783.60

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Solution

The fourth proportional to 337,532.40, 505,618.20 and 210,783.60 is: 315,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,532.40 : 505,618.20 = 210,783.60 : x
  2. Step 2: Convert to fraction form
    337,532.40/505,618.20 = 210,783.60/x
  3. Step 3: Cross multiply
    337,532.40x = 505,618.20 × 210,783.60
  4. Step 4: Simplify right side
    337,532.40x = 106,576,024,421.52
  5. Step 5: Solve for x
    x = 106,576,024,421.52/337,532.40
  6. Step 6: Final answer
    x = 315,750.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.